Headphone



FIG. 1 is a perspective view of a headphone showing the new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a side elevation view of one side thereof;

FIG. 6 is a side elevation view of the opposite side thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of an opposite-handed embodiment of the headphone showing the new design;

FIG. 10 is another perspective view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a side elevation view of one side thereof;

FIG. 14 is a side elevation view of the opposite side thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is bottom plan view thereof.

The broken lines and unshaded areas form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 